The pack of Callaway (R) golf balls features an extremely fast core that leads to more distance for a wide range of swing speeds. A ball that won't be affected by the wind, the thin inner and outer mantles produce more ball speed and reduces spin off the driver for maximum distance. A soft cover promotes tour level control on approach shots and around the green. Refined pattern provides the best aerodynamic performance to reduce drag. 7-1/2"w x 5-1/2"h x 1-7/8"d.